Product Hierarchy
Product Hierarchy

3106ELZ - RS-485, 1.5Pr #22 Str TC, FoamPE ins, F/B, LSZH Jkt, Eca


RS-485, 1.5 Pair, 22 AWG stranded (7x32) Tinned Copper conductors, Foamed Polyethylene insulation, twisted pairs, overall Beldfoil® (100% coverage) + Tinned Copper braid shield (65% coverage), 22 AWG stranded Tinned Copper drain wire, LSZH jacket, CPR Eca

Life Cycle Status: Capability

Product Overview

Suitable Applications: Instrumentation and computer cable. For EIA RS-485 transmissions applications

Construction Details

Conductor
ElementNo. of ElementsSizeStrandingMaterial
Pair(s)122 AWG7x30TC - Tinned Copper
Conductor(s)122 AWG7x30TC - Tinned Copper
Insulation
ElementMaterialNom. ThicknessNom. Insulation DiameterColor Code
Pair(s)PE - Polyethylene (Foam)0.82 mm (0.032 in)2.40 mm (0.0945 in)White & Orange, Orange & White, Blue & White
Conductor(s)PE - Polyethylene1.57 mm (0.0618 in)
Outer Shield
Shield TypeMaterialCoverageDrainwire Type
TapeBi-Laminate (Alum+Poly)100%22 AWG (7x30) TC
BraidTinned Copper (TC)65%
Outer Jacket
MaterialNom. ThicknessNom. Diameter
LSZH - Low Smoke Zero Halogen (Flame Retardant)0.6 mm (0.024 in)6.8 mm (0.27 in)
Overall Cable Diameter (Nominal): 6.80 mm (0.268 in)

Electrical Characteristics

Electricals
ElementNom. Conductor DCRNom. Capacitance Cond-to-CondNom. Capacitance Cond-to-Other (Conds + Shield)Nom. Characteristic ImpedenceNom. Velocity of Prop.Max. Current
Pair(s)48.2 Ohm/km (14.7 Ohm/1000ft)36.1 pF/m (11.0 pF/ft)68.6 pF/m120 Ohm78%2.7 Amps per Conductor
Conductor(s)2.7 Amps per Conductor
Nom. Outer Shield DCR: 9.2 Ohm/km (2.8 Ohm/1000ft)
High Frequency (Nominal/Typical)
ElementFrequency [MHz]Nom. Insertion Loss (Attenuation)
Pair(s)11.68 dB/100m (0.512 dB/100ft)
Voltage
Voltage Rating
300 V

Mechanical Characteristics

Temperature
OperatingInstallationStorage
-20°C To +70°C-10°C To +70°C-20°C To +70°C
Bend Radius
Stationary Min.Installation Min.
34 mm (1.3 in)68 mm (2.7 in)
Max. Pull Tension: 290 N (65 lbf)
Bulk Cable Weight: 64 kg/km (43 lbs/1000ft)

Standards and Compliance

Environmental Suitability: Indoor - Euroclass Eca, Indoor, Non-Halogenated
Flammability / Reaction to Fire: IEC 60332-1-2
CPR Compliance: CPR Euroclass: Eca
ISO/IEC Compliance: IEC 61034-2 - Smoke Density Min Transmittance = 60%
CENELEC Compliance: EN 50290-2-20
European Halogen Free Standards: IEC 62821-1 Halogen Free Compliance = Yes, IEC 60754-1 - Halogen Amount = Zero, IEC 60754-2 - Halogen Acid Gas Amount - Max. Conductivity = 2.5 µS/mm, IEC 60754-2 - Halogen Acid Gas Amount - Min. pH = 4.3
European Directive Compliance: EU CE Mark, EU Directive 2015/863/EU (RoHS 2 amendment), EU Directive 2011/65/EU (RoHS 2)
UK Regulation Compliance: UKCA Mark
Other Standard Compliance(s): DMX-512

Product Notes

Notes: This is a preliminary Technical Design Specification (TDS). The minimum business quantity to offer is 6km for the first order. This product will have Gray as standard color and 305mt as standard put-ups. Additional options for colors and put-ups are available on special request. The estimated production lead time for the first order will be similar to the production lead time of 3106ENH. Please liaise with your Belden representative for confirmation.

History

Update and Revision: Revision Number: 0.8 Revision Date: 07-24-2025
Date: 2014-09-26
Belden-NPI-RS-485-Product-Bulletin-2022-04.pdf
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